How can i add the fractions using a giant one to create a conmon 1 denominator /4+5/8

Find the difference (8ab+a+2) - (3ab+6)

Micheal is 4 times as old as brandon and is also 27 years older than brandon. how old is micheal

The average daily maximum temperature for laura’s hometown can be modeled by the function f(x)=4.5sin(πx/6)+11.8 , where f(x) is the temperature in °c and x is the month. x = 0 corresponds to january.what is the average daily maximum temperature in may? round to the nearest tenth of a degree if needed.use 3.14 for π .